我有以下课程:
class Character
{
public:
Character();
Character(std::string char_name, Race char_race, Gender char_gender);
~Character();
int get_id() { return this->char_id; }
std::string get_name() { return this->name; }
Race get_race() { return this->race; }
Gender get_gender() { return this->gender; }
private:
int char_id;
static int * char_count;
std::string name;
Race race;
Gender gender;
};
int * Character::char_count = 0;
#endif // CHARACTER_H
注意静态字段,它在类之外初始化。
这是实现:
Character::Character()
{
this->char_id = *char_count;
char_count++;
}
Character::Character(std::string char_name, Race char_race, Gender char_gender)
{
this->char_id = *char_count;
char_count++;
this->name = char_name;
this->race = char_race;
this->gender = char_gender;
}
Character::~Character()
{
}
显然我的编译器不喜欢这样。产生的错误是“Character::char_count 的多重定义”,但我没有看到多重定义。
???